RSS feeds are subject to the REST API rate limit [1] of 150 requests/hour unauthenticated and 350 requests/hour for user authenticated calls. The reason you don

RSS feeds are subject to the REST API rate limit [1] of 150 requests/hour unauthenticated and 350 requests/hour for user authenticated calls. The reason you don't run into the issue with jQuery is because the rate hit counts against the visitors IP rather then your servers. Two easy ways to help alleviate the issue 1) make a bot account force authentication [2] for all calls 2) proxy your request through apigee.com which has a whitelisted IP with more requests/hour. [1] http://dev.twitter.com/pages/rate-limiting#rest http://dev.twitter.com/pages/rate-limiting#rest [2] http://dev.twitter.com/pages/oauth_single_token http://dev.twitter.com/pages/oauth_single_token